About zinnchen

Dear Enpass-Team,
I updated all my Enpass installations from Enpass 5 to Enpass 6 without any issues. Thanks for the nice new version.
With Enpass 6 I started using multiple vaults and tried to sync the second vault. I was able to setup cloud sync via webdav initially but if I leave the settings and go back to vault settings the sync settings are blank.
Is this a known issue? How can I solve it?
EDIT:
Tried to reproduce again to take screenshots. It works without any issues.
Sorry for this post.
zinnchen